No Autorun is tiny tool that not only blocks autorun-related virus and other suspicious files entering into your computer, but it can also prevent viruses entering into your USB disk from your infected computer.

After you run "No Autorun", the program waits for USB disk/flash insertion. Once you insert a USB disk, the program locks autorun.inf file and other related executable files. You can safely open or delete the files from the program.

After you enabled write protect option, any newly connected USB disk will be read-only for your computer. It's useful when your PC is already infected but you don't want to spread the virus.

No Autorun is compatible with Windows XP, Vista and 7 (32bit/64bit) and completely clean (according to Virus Total), however check it with your antivirus program. Download No Autorun.